For those new to telescopes, the Celestron 114LCM is a Newtonian reflecting telescope. Invented by the English scientist Sir Isaac Newton, this type of telescope uses a concave primary mirror and ...

There's so much more to see than the famous Messier Catalog. Here's a list of gorgeous NGC star clusters to observe on the ...

Its reflecting telescope and 2.4 meter mirror are fine, but not its computer hardware. Shortly after 4 p.m. EDT on Sunday, June 13, Hubble’s payload computer stopped working.

Reflecting telescopes with glass, rather than metal, mirrors became popular in the 20th century. Glass mirrors produce much clearer images than metal mirrors and won't tarnish as easily.

Reflecting (Or Newtonian) Telescopes Early telescopes were all refracting telescopes of the kind Galileo made. While they revolutionized the science of astronomy, they had some innate downsides.

Reflecting telescopes provide the best bang for the buck. They gather light with mirrors, passing it through a glass in an eyepiece on the side for magnification.

There are already 11 operational telescopes on Mauna Kea. Among them are Keck 1 and Keck 2, the next-largest reflecting telescopes on Earth after the Gran Telescopio Canarias.

Webb is a reflecting telescope of the kind invented by Isaac Newton in the 17th century, only much, much larger. Reflecting telescopes use primary mirrors to reflect light to form an image on a ...

Hardly! In a past column (April 2011), I sang the praises of my first astronomical telescope, Edmund Scientific’s Space Conqueror, a 3-inch f/10 reflector.